4 insiders reported 16 Form 4 transactions for Avalyn Pharma Inc. (AVLN) over the past 18 months (most recent 2026-05-01). Recent activity: George Simeon (Insider) Buy 1.4M shares, Carroll Jill (Director) Buy 1.4M shares, SR ONE CAPITAL MANAGEMENT, LLC (Insider) Buy 1.4M shares, Wellington Biomedical Innovation Master Investors (Cayman) II L.P. (Insider) Buy 1.3M shares, George Simeon (Insider) Buy 489,486 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-01 | George Simeon | Insider | Buy | 1.4M | $0 |
| 2026-05-01 | Carroll Jill | Director | Buy | 1.4M | $0 |
| 2026-05-01 | SR ONE CAPITAL MANAGEMENT, LLC | Insider | Buy | 1.4M | $0 |
| 2026-05-01 | Wellington Biomedical Innovation Master Investors (Cayman) II L.P. | Insider | Buy | 1.3M | $0 |
| 2026-05-01 | George Simeon | Insider | Buy | 489,486 | $0 |
| 2026-05-01 | Carroll Jill | Director | Buy | 489,486 | $0 |
| 2026-05-01 | SR ONE CAPITAL MANAGEMENT, LLC | Insider | Buy | 489,486 | $0 |
| 2026-05-01 | George Simeon | Insider | Buy | 277,778 | $5.0M |
| 2026-05-01 | Carroll Jill | Director | Buy | 277,778 | $5.0M |
| 2026-05-01 | SR ONE CAPITAL MANAGEMENT, LLC | Insider | Buy | 277,778 | $5.0M |
| 2026-05-01 | George Simeon | Insider | Buy | 354,824 | $0 |
| 2026-05-01 | SR ONE CAPITAL MANAGEMENT, LLC | Insider | Buy | 354,824 | $0 |
| 2026-05-01 | George Simeon | Insider | Buy | 489,486 | $0 |
| 2026-05-01 | SR ONE CAPITAL MANAGEMENT, LLC | Insider | Buy | 489,486 | $0 |
| 2026-05-01 | George Simeon | Insider | Buy | 277,777 | $5.0M |
| 2026-05-01 | SR ONE CAPITAL MANAGEMENT, LLC | Insider | Buy | 277,777 | $5.0M |
Source: SEC Form 4 filings · as of 2026-05-01
